aulavsautWhich spelling fits?

Quick tell: aula is a noun, aut is a conjunction, so they fill different roles in a sentence.

Which to use

“aula” is a noun and “aut” is a conjunction - they look or sound alike but fill different roles in a sentence.

#7,822
“aula” frequency rank
#40,662
“aut” frequency rank
48484
confusion score

Side-by-Side Comparison

Feature aula aut
Definition Sala de una institución educativa, destinada principalmente al dictado de clases. O

Where the eye mixes aula and aut

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. aula runs 4 letters (VVCV) against aut's 3 (VVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
aula
3 ch
aut

Visual trap between aula and aut

These two trip readers on the page rather than in the ear: aula is [ˈawla] while aut is /ˈawt/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs conjunction), which is usually the fastest check. Our composite confusion score for this pair is 48484, derived from the frequency rank of both members and their visual similarity.

aula is recorded at frequency rank #7,822, classified as anoun, pronounced [ˈawla]. aut is at rank #40,662, tagged as aconj, pronounced /ˈawt/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 48484, this pair ranks #114,234 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aula vs aut

Shared letters: au. Private to "aula": l. Private to "aut": t.

"aula" · 4 letters · shape VVCV  ·  "aut" · 3 letters · shape VVC

Known mistypes of this pair

  • aula ← alua · aual · aulla · uala

Frequently Asked Questions

Is swapping "aula" for "aut" ever safe?
No - they are not even the same part of speech. "aula" is a noun and "aut" a conjunction, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "aula" or "aut"?
"aula" is the more common of the two: it sits at frequency rank #7,822 in our Spanish list, against #40,662 for "aut". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "aula" and "aut" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aula" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aut" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #114,234 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "aula" and "aut" also get mixed up with nearby pairs, the highest-scored neighbour is "anta vs aut". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #114,234 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list